Summary of the extent of the breeding, wintering, migration and year-round range of this species in the Western Hemisphere, including Canada, U.S.A. and Mexico:
Canada - Breeding only: 646,910 square km; Migration only: 442,814 square km
Caribbean - Wintering only: 6,068 square km; Migration only: 211,530 square km
Central America - Wintering only: 49,605 square km
Mexico - Wintering only: 276,867 square km; Migration only: 492 square km
South America - Wintering only: 1,130,353 square km
U.S.A. - Breeding only: 68,084 square km; Wintering only: 214,115 square km; Migration only: 201,490 square km